WSM Piston Kit Standard Bore 83mm for Yamaha YFM350

If it's time to rebuild your engine and restore lost performance, this Standard Bore Piston Kit is what you want! These WSM Standard Bore Piston Kits are high-quality and are constructed to meet or exceed OEM specifications. Every kit is made of high-grade materials to ensure it can withstand whatever your ride puts you through. These kits contain one piston, a ring set, a wrist pin, and improved E-clips. These kits are what you need to restore power and compression to stock engines! These piston kits are also available in the platinum series, featuring specially hardened tops and an enhanced skirt coating for increased performance and longevity. This kit is for stock-size cylinders that have not already been overbored. WILL NOT WORK WITH OVERBORED CYLINDERS/SLEEVES.